diff options
-rw-r--r-- | doc/fuzzing.md | 4 | ||||
-rw-r--r-- | src/Makefile.test.include | 7 | ||||
-rw-r--r-- | src/test/fuzz/parse_iso8601.cpp | 32 |
3 files changed, 41 insertions, 2 deletions
diff --git a/doc/fuzzing.md b/doc/fuzzing.md index 3dc6be8b86..50e9251b8d 100644 --- a/doc/fuzzing.md +++ b/doc/fuzzing.md @@ -77,13 +77,13 @@ will print an error and suggestion if so. ## libFuzzer -A recent version of `clang`, the address sanitizer and libFuzzer is needed (all +A recent version of `clang`, the address/undefined sanitizers (ASan/UBSan) and libFuzzer is needed (all found in the `compiler-rt` runtime libraries package). To build all fuzz targets with libFuzzer, run ``` -./configure --disable-ccache --enable-fuzz --with-sanitizers=fuzzer,address CC=clang CXX=clang++ +./configure --disable-ccache --enable-fuzz --with-sanitizers=fuzzer,address,undefined CC=clang CXX=clang++ make ``` diff --git a/src/Makefile.test.include b/src/Makefile.test.include index 019e832cc6..c3f0120005 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -22,6 +22,7 @@ FUZZ_TARGETS = \ test/fuzz/inv_deserialize \ test/fuzz/messageheader_deserialize \ test/fuzz/netaddr_deserialize \ + test/fuzz/parse_iso8601 \ test/fuzz/script \ test/fuzz/script_flags \ test/fuzz/service_deserialize \ @@ -269,6 +270,12 @@ test_fuzz_netaddr_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) test_fuzz_netaddr_deserialize_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) test_fuzz_netaddr_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON) +test_fuzz_parse_iso8601_SOURCES = $(FUZZ_SUITE) test/fuzz/parse_iso8601.cpp +test_fuzz_parse_iso8601_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) +test_fuzz_parse_iso8601_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) +test_fuzz_parse_iso8601_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) +test_fuzz_parse_iso8601_LDADD = $(FUZZ_SUITE_LD_COMMON) + test_fuzz_script_SOURCES = $(FUZZ_SUITE) test/fuzz/script.cpp test_fuzz_script_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) test_fuzz_script_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS) diff --git a/src/test/fuzz/parse_iso8601.cpp b/src/test/fuzz/parse_iso8601.cpp new file mode 100644 index 0000000000..c86f8a853e --- /dev/null +++ b/src/test/fuzz/parse_iso8601.cpp @@ -0,0 +1,32 @@ +// Copyright (c) 2019 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include <test/fuzz/FuzzedDataProvider.h> +#include <test/fuzz/fuzz.h> +#include <util/time.h> + +#include <cassert> +#include <cstdint> +#include <string> +#include <vector> + +void test_one_input(const std::vector<uint8_t>& buffer) +{ + FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size()); + + const int64_t random_time = fuzzed_data_provider.ConsumeIntegral<int64_t>(); + const std::string random_string = fuzzed_data_provider.ConsumeRemainingBytesAsString(); + + const std::string iso8601_datetime = FormatISO8601DateTime(random_time); + const int64_t parsed_time_1 = ParseISO8601DateTime(iso8601_datetime); + if (random_time >= 0) { + assert(parsed_time_1 >= 0); + if (iso8601_datetime.length() == 20) { + assert(parsed_time_1 == random_time); + } + } + + const int64_t parsed_time_2 = ParseISO8601DateTime(random_string); + assert(parsed_time_2 >= 0); +} |